title: Frequency and causes of hospitalization in HIV-negative children and adolescents with haemophilia A or B and its effect on academic achievement.
mesh_terms: D000293:Adolescent; D002648:Child; D004522:Educational Status; D006395:Hemarthrosis / Q000209:etiology / Q000628:therapy; D006467:Hemophilia A / Q000523:psychology / Q000628:therapy*; D002836:Hemophilia B / Q000523:psychology / Q000628:therapy*; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data; D008297:Male; D011446:Prospective Studies